1 EC can give you a second chance to prevent pregnancy after sex. 2  You can use EC as many times in a month as you need it, but remember, it is not as effective as birth control that's used before or during sex, like the pill or condoms.3  It also causes more side effects than regular birth control methods. EC can give you a second chance to prevent pregnancy after sex. 2  You can use EC as many times in a month as you need it, but remember, it is not as effective as birth control that's used before or during sex, like the pill or condoms.
1 (If you're using a mouse, point to the lower-right corner of the screen, move the mouse pointer up, click Settings, and then click Change PC settings.) 2  Select PC and devices, and then select Disk space.  Under Free up space on this PC, note the amount of free space and total size.
By default, Windows XP sets the amount of space system restore can take up on your drive at 12% which is a waste if you never want to use it. On Vista Vista and 7 this number is even higher and it can consume up to 15% of your hard drive or partitionâs space if you donât lower it.